5721339 has 8 divisors (see below), whose sum is σ = 8215312. Its totient is φ = 3520800.

The previous prime is 5721307. The next prime is 5721343. The reversal of 5721339 is 9331275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5721339 - 2⁵ = 5721307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5721349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73312 + ... + 73389.

It is an arithmetic number, because the mean of its divisors is an integer number (1026914).

Almost surely, 2^5721339 is an apocalyptic number.

5721339 is a deficient number, since it is larger than the sum of its proper divisors (2493973).

5721339 is a wasteful number, since it uses less digits than its factorization.

5721339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146717.

The product of its digits is 5670, while the sum is 30.

The square root of 5721339 is about 2391.9320642527. The cubic root of 5721339 is about 178.8542346074.

The spelling of 5721339 in words is "five million, seven hundred twenty-one thousand, three hundred thirty-nine".